31209916 is an even 8-digits composite number following 31209915
and preceding 31209917 . In scientific notation, it is written as 3.1209916 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 14714112 positive integers (up to 31209916) that are relatively prime to 31209916.
31209916 has 24 divisors, whose sum is 57823920
The reverse of 31209916 is 61990213
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million two hundred nine thousand nine hundred sixteen
Scientific notation
3.1209916 × 10^7
Engineering notation
3.1209916 × 10^6
Prime Factorization
2 × 2 × 29 × 43 × 6257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15604958
Product of the distinct prime numbers
The prime factorization of 31209916 is 2 × 2 × 29 × 43 × 6257.
Since it has a total of 5 prime factors.
6 , 8 , 93 , 33 , 681 , 37 , 632 , 9373 , 66517 , 28681 , 627630 , 874689 , 1650015 , 6494438 , 85905534 , 39597755 , 351931158 , 803396994 , 8287942430 , 6695265563
n×2
62419832
n×3
93629748
n×4
124839664
n×5
156049580
n÷2
15604958
n÷3
10403305.333333
n÷3
7802479
n÷5
6241983.2
n2
974058856727056
n3
3.0400295097507E+22
n4
9.4879065636842E+29
n5
2.9611676686843E+37
2 √n
5586.5835713788
3 √n
314.84553105019
4 √n
74.743451695643
5 √n
31.539769854241
1 , 2 , 4 , 29 , 43 , 58 , 86 , 116 , 172 , 1247 , 2494 , 4988 , 6257 , 12514 , 25028 , 181453 , 269051 , 362906 , 538102 , 725812 , 1076204 , 7802479 , 15604958 , 31209916
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31209915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31209916 can be divided by 24 positive divisors.
The sum of these divisors (counting 31209916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111000011100110111100
3
Ternary
2011201121221211
4
Quaternary
1313003212330
5
Quinary
30442204131
6
Senary
3032534204
8
Octal
167034674
10
Decimal
31209916
12
Duodecimal
a551364
16
Hexadecimal
1dc39bc
20
Vigesimal
9f14fg
36
Base36
ikxq4
md5
363d1f89922a8adcbe652cd8058dd4c1
sha1
74b8dcab3d163d64a472ebec6364818c9cc4344c
sha256
5d36e8772f3487eea5a490bdb87b4f76d6404f9d2fd99e36baa459aacf833e22
sha512
cc11603ac85dd146e8321acadc0aae91e0257533c2b1dc43056bbe8b234f5c0325a90a42901ed3b8ec90d239a1105507986cfaca1df857b690b6f0af959e0590
ripemd-160
0939f811dc8017fa7e9c0e6567f86bee17b8162d
Diameter
62419832
Circumference
196097685.64951
Area
3.0600961484578E+15
Volume
1.2734045832705E+23
Surface area
1.2240384593831E+16
Circumference
196097685.64951
Perimeter
124839664
Area
974058856727056
Diagonal
44137486.487725
Surface area
5844353140362336
Volume
3.0400295097507E+22
Space diagonal
54057160.211957
Perimeter
93629748
Area
4.2177985735343E+14
Altitude
27028580.105978
Surface area
4.2177985735343E+14
Volume
3.5827091355866E+21
Height
14712495.495908